arielgar2699 arielgar2699

30-01-2024
Social Studies

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A filament bulb (500W, 100V) is to be used in a 230V main supply. When a resistance R is connected in series, it works perfectly and the bulb consumes 500W. The value of R is:

a) 115Ω
b) 130Ω
c) 150Ω
d) 200Ω

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